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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $456,287,508 | 206,839,306 | 206,839,306 |
| 2006 | $482,329,391 | 199,245,091 | 199,245,091 |
| 2007 | $569,602,505 | 223,473,271 | 0 |
| 2008 | $832,653,445 | 262,577,714 | 0 |
| 2009 | $635,666,155 | 173,428,815 | 0 |
| 2010 | $884,507,585 | 261,497,029 | 0 |
| 2011 | $971,074,635 | 296,219,054 | 0 |
Note: Quantity represents Weight in kilograms
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